Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660812 | Production of olefin derivatives | Keith H. Kuechler, Minquan Cheng, Marc L. DeChellis, Russell D. Sellen, Gary F. Janda | 2003-12-09 |
| 6559248 | Process of removing contaminants from an olefin stream using extractive distillation | Dan E. Hendriksen, Minquan Cheng, Keith H. Kuechler, Michael Nicoletti, Richard Shutt | 2003-05-06 |